Dec 04 23:07:55.118 INFO checking adrien-thebault/r2d2 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 23:07:55.118 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 23:07:55.312 INFO [stdout] 1547a05ce6bc4c6f4c4f1081b2cfcfec5450b978cb3c53514644f42c0bf2706e
Dec 04 23:07:55.319 INFO running `"docker" "start" "-a" "1547a05ce6bc4c6f4c4f1081b2cfcfec5450b978cb3c53514644f42c0bf2706e"`
Dec 04 23:07:55.796 INFO [stderr] usermod: no changes
Dec 04 23:07:56.198 INFO [stderr]     Checking input_buffer v0.1.1
Dec 04 23:07:56.198 INFO [stderr]     Checking fern v0.5.6
Dec 04 23:07:56.211 INFO [stderr]     Checking trust-dns-proto v0.4.0
Dec 04 23:07:56.211 INFO [stderr]     Checking hyper v0.11.27
Dec 04 23:07:57.177 INFO [stderr]     Checking tungstenite v0.5.4
Dec 04 23:08:02.178 INFO [stderr]     Checking trust-dns-resolver v0.9.1
Dec 04 23:08:04.608 INFO [stderr]     Checking hyper-tls v0.1.4
Dec 04 23:08:07.205 INFO [stderr]     Checking actix v0.7.4
Dec 04 23:08:09.312 INFO [stderr]     Checking reqwest v0.8.8
Dec 04 23:08:16.374 INFO [stderr]     Checking slack_api v0.20.0
Dec 04 23:08:38.588 INFO [stderr]     Checking slack v0.21.0
Dec 04 23:08:46.890 INFO [stderr]     Checking r2d2 v0.1.0 (/source)
Dec 04 23:08:54.659 INFO [stderr] warning: cannot find type `Message` in this scope
Dec 04 23:08:54.659 INFO [stderr]  --> src/messages/register_recipient.rs:6:8
Dec 04 23:08:54.659 INFO [stderr]   |
Dec 04 23:08:54.659 INFO [stderr] 6 |     M: Message + Send,
Dec 04 23:08:54.659 INFO [stderr]   |        ^^^^^^^ names from parent modules are not accessible without an explicit import
Dec 04 23:08:54.659 INFO [stderr]   |
Dec 04 23:08:54.659 INFO [stderr]   = note: #[warn(proc_macro_derive_resolution_fallback)] on by default
Dec 04 23:08:54.659 INFO [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 04 23:08:54.659 INFO [stderr]   = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
Dec 04 23:08:54.659 INFO [stderr] 
Dec 04 23:08:55.763 INFO [stderr] warning: cannot find type `Message` in this scope
Dec 04 23:08:55.763 INFO [stderr]  --> src/messages/register_recipient.rs:6:8
Dec 04 23:08:55.763 INFO [stderr]   |
Dec 04 23:08:55.763 INFO [stderr] 6 |     M: Message + Send,
Dec 04 23:08:55.763 INFO [stderr]   |        ^^^^^^^ names from parent modules are not accessible without an explicit import
Dec 04 23:08:55.763 INFO [stderr]   |
Dec 04 23:08:55.763 INFO [stderr]   = note: #[warn(proc_macro_derive_resolution_fallback)] on by default
Dec 04 23:08:55.763 INFO [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 04 23:08:55.763 INFO [stderr]   = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
Dec 04 23:08:55.763 INFO [stderr] 
Dec 04 23:08:56.319 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
Dec 04 23:08:56.339 INFO [stderr] su: No module specific data is present
Dec 04 23:08:57.109 INFO running `"docker" "inspect" "1547a05ce6bc4c6f4c4f1081b2cfcfec5450b978cb3c53514644f42c0bf2706e"`
Dec 04 23:08:57.553 INFO running `"docker" "rm" "-f" "1547a05ce6bc4c6f4c4f1081b2cfcfec5450b978cb3c53514644f42c0bf2706e"`
Dec 04 23:08:57.843 INFO [stdout] 1547a05ce6bc4c6f4c4f1081b2cfcfec5450b978cb3c53514644f42c0bf2706e